Posted by RN on November 27, 2012 at 17:35:18 from (97.88.242.90):
In Reply to: Gun Experts? 5,56 VS .223 posted by Traditional Farmer on November 27, 2012 at 15:25:20:
most of others give most of differences- note on leade, 5.56 NATO standard bullets are now longer and heavier- 62 grain or 70 grain- than original 52 and 55 grain so leade is about 2/3mm longer than .223 commercial chambering. Rifleman had article about 3 months back on chamber difference and the warning on pressure. A 5.56 Nato with the SS109/855 bullet will be interference touch of rifling in a new, tight .223 chamber-could be a pressure damage problem. Reloading surplus 5.56 cases with a 50/52 grain spire point for use in .223 chamber will be OK on leade/freebore- full lenght size case and check overall loaded length.RN
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Today's Featured Article - Measuring with Calipers - by Staff. The legs of inside calipers are curved outward at the extremities to facilitate measuring small holes, while outside caliper legs have a large curve inward to increase their capacity for large work. Firm-joint calipers are adjusted approximately by the hands and then set to the feel of the work by tapping them on a metal surface. It is a common practice when opening calipers by this means to tap the top of the joint. It is better, if possible, to tap the inside of the legs, as repeated blo
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